macadress

Redes de Telefonía Móvil S.A.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:13:89:00:00:00 /24
Vendor addressC/Puerto de la Morcuera 14 B4 Leganés Madrid ES 28918
Country🇪🇸  Spain
RegisteredFeb 6, 2005
Block range00:13:89:00:00:00– 00:13:89:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Ownership timeline

  1. Feb 6, 2005 – Nov 7, 2009 Redes de Telefonía Móvil S.A. name changedaddress changed
  2. Nov 7, 2009 – Feb 6, 2010 Redes de Telefonía Móvil S.A. name changedaddress changed
  3. Feb 6, 2010 – Aug 24, 2010 Redes de Telefonía Móvil S.A. name changedaddress changed
  4. Aug 24, 2010 – Aug 25, 2010 Redes de Telefonía Móvil S.A. name changedaddress changed
  5. Aug 25, 2010 – Nov 17, 2011 Redes de Telefonía Móvil S.A. name changedaddress changed
  6. Nov 17, 2011 – Nov 18, 2011 Redes de Telefonía Móvil S.A. name changedaddress changed
  7. Nov 18, 2011 – Sep 17, 2012 Redes de Telefonía Móvil S.A. name changedaddress changed
  8. Sep 17, 2012 – Nov 29, 2012 Redes de Telefonía Móvil S.A. name changedaddress changed
  9. Nov 29, 2012 – Aug 27, 2015 Redes de Telefonía Móvil S.A. name changedaddress changed
  10. Aug 27, 2015 – present Redes de Telefonía Móvil S.A.

Example addresses in this block

00:13:89:00:00:00 00:13:89:7F:FF:FF 00:13:89:FF:FF:FF

Where this block sits

Previous 00:13:88:00:00:00 /24 WiMedia Alliance Next 00:13:8A:00:00:00 /24 Qingdao GoerTek Technology Co., Ltd.

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Redes de Telefonía Móvil S.A. holds 1 registered blocks in the IEEE registry, ranking #24,364 of 33,427 organizations by block count.